tidealmanac
Sat, Dec 12

Sunday, December 13, 2026

Arroyo, PR · NOAA TEC4737 · MLLW · Local time (America/Puerto_Rico)

Mon, Dec 14

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Tides

  1. Low2:03 AM-0.1 ft-0.03 m
  2. High1:25 PM0.8 ft0.25 m

Range 0.9 ft0.29 m · 2 predicted tides · MLLW

Sun

Civil dawn
6:23 AM
Sunrise
6:46 AM
Solar noon
12:18 PM
Sunset
5:50 PM
Civil dusk
6:14 PM
Daylight
11h 4m

Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.

Moon

Waxing crescent19% illuminated · day 4 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Thu, Dec 10L 12:34AM -0.2 ft-0.07 mH 11:47AM 0.8 ft0.25 mFri, Dec 11L 1:05AM -0.2 ft-0.07 mH 12:22PM 0.8 ft0.25 mSat, Dec 12L 1:35AM -0.2 ft-0.06 mH 12:57PM 0.8 ft0.25 mSun, Dec 13L 2:03AM -0.1 ft-0.03 mH 1:25PM 0.8 ft0.25 mMon, Dec 14L 2:25AM 0.0 ft-0.01 mH 1:43PM 0.8 ft0.25 mTue, Dec 15L 2:38AM 0.1 ft0.03 mH 1:48PM 0.8 ft0.24 mWed, Dec 16L 2:26AM 0.2 ft0.06 mH 1:27PM 0.7 ft0.22 m